From cdd3fcb1728059393334fe69345c120623a716a1 Mon Sep 17 00:00:00 2001
From: Minijackson <minijackson@riseup.net>
Date: Fri, 18 Jun 2021 15:28:27 +0200
Subject: audioProduction: init with musnix

---
 flake.lock                                      | 17 +++++++
 flake.nix                                       |  7 +++
 usecases/desktop/graphical/audio-production.nix | 66 +++++++++++++++++++++++++
 3 files changed, 90 insertions(+)
 create mode 100644 usecases/desktop/graphical/audio-production.nix

diff --git a/flake.lock b/flake.lock
index 8b83eb4..8da431f 100644
--- a/flake.lock
+++ b/flake.lock
@@ -51,6 +51,22 @@
         "type": "github"
       }
     },
+    "musnix": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1623875676,
+        "narHash": "sha256-SBI5NKPKx9Y3GWQr7J3ybF4nsKeX5XL+1ENtH1diYrk=",
+        "owner": "musnix",
+        "repo": "musnix",
+        "rev": "49c1f7119919d678bc457de3fee1de11a20c5082",
+        "type": "github"
+      },
+      "original": {
+        "owner": "musnix",
+        "repo": "musnix",
+        "type": "github"
+      }
+    },
     "neovim-master": {
       "inputs": {
         "flake-utils": "flake-utils_2",
@@ -125,6 +141,7 @@
       "inputs": {
         "flake-utils": "flake-utils",
         "home-manager": "home-manager",
+        "musnix": "musnix",
         "neovim-master": "neovim-master",
         "nixpkgs": "nixpkgs",
         "nixpkgs-unstable": "nixpkgs-unstable",
diff --git a/flake.nix b/flake.nix
index eed9091..3c20cbb 100644
--- a/flake.nix
+++ b/flake.nix
@@ -13,6 +13,10 @@
     inputs.nixpkgs.follows = "nixpkgs-unstable";
   };
   inputs.nur.url = "github:nix-community/NUR";
+  inputs.musnix = {
+    url = "github:musnix/musnix";
+    flake = false;
+  };
 
   outputs = inputs @ { self, nixpkgs, home-manager, ... }: {
 
@@ -75,6 +79,7 @@
         music = (import ./usecases/desktop/music.nix inputs);
         networkManager = (import ./usecases/desktop/networking/network-manager.nix inputs);
         graphical = {
+          audioProduction = (import ./usecases/desktop/graphical/audio-production.nix inputs);
           gaming = (import ./usecases/desktop/graphical/gaming.nix inputs);
         };
       };
@@ -137,6 +142,7 @@
           self.nixosModules.profiles.desktop
           self.nixosModules.usecases.desktop.development
           self.nixosModules.usecases.desktop.music
+          self.nixosModules.usecases.desktop.graphical.audioProduction
           self.nixosModules.usecases.desktop.graphical.gaming
 
           ({ modulesPath, ... }: {
@@ -224,6 +230,7 @@
               self.nixosModules.usecases.common.fwupd
               self.nixosModules.usecases.desktop.development
               self.nixosModules.usecases.desktop.music
+              self.nixosModules.usecases.desktop.graphical.audioProduction
               self.nixosModules.usecases.desktop.graphical.gaming
 
               {
diff --git a/usecases/desktop/graphical/audio-production.nix b/usecases/desktop/graphical/audio-production.nix
new file mode 100644
index 0000000..eabb36d
--- /dev/null
+++ b/usecases/desktop/graphical/audio-production.nix
@@ -0,0 +1,66 @@
+inputs:
+
+{ config, pkgs, lib, ... }:
+
+{
+  imports = [
+    "${inputs.musnix}"
+  ];
+
+  musnix = {
+    enable = true;
+    kernel = {
+      optimize = true;
+      realtime = true;
+      latencytop = true;
+    };
+  };
+
+  users.extraUsers.minijackson = {
+    packages = with pkgs.unstable; [
+      latencytop
+
+      jack2Full
+      qjackctl
+      patchage
+      a2jmidid
+      fluidsynth
+      qsynth
+      soundfont-fluid
+      qsampler
+      ardour
+      musescore
+      hydrogen
+      lmms
+
+      # plugins
+      calf
+      fmsynth
+      zynaddsubfx
+      helm
+      distrho
+      yoshimi
+      infamousPlugins
+      carla
+      cadence
+      x42-plugins
+      x42-gmsynth
+      x42-avldrums
+      lsp-plugins
+      ninjas2
+      noise-repellent
+      surge
+    ];
+    extraGroups = [ "audio" ];
+  };
+
+  # TODO: upstream adding user-specific packages
+  environment.variables = {
+    DSSI_PATH = lib.mkForce "$HOME/.dssi:$HOME/.nix-profile/lib/dssi:/run/current-system/sw/lib/dssi:/etc/profiles/per-user/$USER/lib/dssi";
+    LADSPA_PATH = lib.mkForce "$HOME/.ladspa:$HOME/.nix-profile/lib/ladspa:/run/current-system/sw/lib/ladspa:/etc/profiles/per-user/$USER/lib/ladspa";
+    LV2_PATH = lib.mkForce "$HOME/.lv2:$HOME/.nix-profile/lib/lv2:/run/current-system/sw/lib/lv2:/etc/profiles/per-user/$USER/lib/lv2";
+    LXVST_PATH = lib.mkForce "$HOME/.lxvst:$HOME/.nix-profile/lib/lxvst:/run/current-system/sw/lib/lxvst:/etc/profiles/per-user/$USER/lib/lxvst";
+    VST_PATH = lib.mkForce "$HOME/.vst:$HOME/.nix-profile/lib/vst:/run/current-system/sw/lib/vst:/etc/profiles/per-user/$USER/lib/vst";
+    VST3_PATH = lib.mkForce "$HOME/.vst3:$HOME/.nix-profile/lib/vst3:/run/current-system/sw/lib/vst3:/etc/profiles/per-user/$USER/lib/vst3";
+  };
+}
-- 
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